Principal Software Engineer I (ReactJS)

ConnectWise is an industry and Global leading software company with over 3,000 colleagues in North America, EMEA and APAC. As a community-driven software company dedicated to the success of technology solution providers, our suite helps over 45,000 of our partners manage their businesses better, sell more efficiently, automate service delivery, and remotely control technology so they can consistently deliver amazing customer experiences.

Our company is powered by our connections, our colleagues, and our community. And, we accept all kinds.

Game-changers, innovators, culture-lovers—and humankind.

We invite discovery and debate. We recognize key moments as milestones.

We see you and value you for your unique contributions. Our inclusive, positive culture lays the foundation to ensure every colleague is valued for their perspectives and skills, giving you the choice of how YOU make a difference.

Curious? Read this opportunity to learn how YOU can make a difference at ConnectWise!

General Summary

The Principal Software Engineer I is responsible for developing high-quality, innovative, fully performing software in compliance with coding standards. This individual works in partnership with cross-functional teams to ensure that software deliverables, including designs, codes, and tests, are completed in a timely manner, while remaining aligned with industry and organizational standards.

Essential Duties & Responsibilities

1. Platform Architecture & Strategy

Define and evolve the frontend platform architecture (React, TypeScript, micro-frontends if applicable)

Establish patterns for:

Component architecture (atomic / design system-driven)

State management (Redux Toolkit, Zustand, server state via React Query, etc.)

Make build vs buy decisions for UI tooling

2. Design System & Component Platform

Lead development of a scalable design system

Ensure:

Accessibility

Internationalization (i18n)

Theming and white-labeling capability

Maintain reusable component libraries (Storybook, tokens, primitives)

Enable cross-product UI consistency

3. Developer Experience (DX) & Tooling

Build and maintain:

Monorepo tooling

CLI tools and scaffolding generators

CI/CD pipelines for frontend apps

Optimize:

Build performance

Test pipelines

Local developer setup

Standardize linting, formatting, and code quality practices

4. Performance & Scalability

Define and enforce performance budgets (Core Web Vitals)

Lead optimization across:

Bundle size (code-splitting, tree-shaking)

Runtime performance

Rendering strategies

Implement observability for frontends:

RUM tools (Dynatrace, Datadog, New Relic, etc.)

5. Architecture Governance

Act as the technical authority for frontend/UI decisions

Conduct architecture reviews and POC evaluations

Define coding standards and engineering guidelines

Mentor senior engineers and influence cross-team decisions

6. Micro-Frontend & Platform Integration

Define strategies for:

Micro-frontends (Module Federation, SPA composition)

Shared dependencies and versioning

Build robust integration patterns with backend services (GraphQL/REST/BFF)

Ensure platform scalability across teams and products

7. Security & Compliance

Enforce frontend security best practices:

CSP, XSS prevention

Secure auth flows (OAuth, OIDC)

Work with platform/security teams on compliance requirements

8. Leadership & Influence

Act as a multiplier across teams , not just an individual contributor

Influence product and business decisions via technical insight

Represent frontend engineering in executive-level discussions

Drive engineering culture and innovation

Knowledge, Skills, and/or Abilities Required

8+ years of software engineering experience with deep expertise in React & modern frontend ecosystems

Proven experience building frontend platforms or large-scale UI systems

Strong knowledge of:

TypeScript, modern JavaScript (ES2025+)

React internals, hooks, rendering lifecycle

Next.js / SSR / edge architectures

Experience with:

Monorepos and build tooling

Design systems and component libraries

Demonstrated experience influencing org-wide architecture

Key Traits

Systems thinker with platform mindset

Strong bias for standardization and reuse

Ability to balance long-term strategy with execution

Excellent communication and stakeholder alignment skills

Success Metrics

Adoption rate of platform components across teams